ELM D4 4 Channel Audio Bluetooth Mixer Mixing Console with 7-Band EQualizer USB Phantom Power 48V

?????? Summary:? 1. With digital display stereo MP3 input 2. Bluetooth function 3. 48V fantasy power supply for condenser microphone 4. Built-in digital effects 5. Five-segment effect level monitor indication 6. Seven-band stereo equalization 7. Recording input with stereo function 8. Low noise microphone input with interface ? Feature:? 1.Built-in 48V Phantom power for confenser microphones use professional recording; 2.Built-in 7-Band equalizer; 3.2 Line (L/R) audio output; 4.1 to send output, 1 return input; 5.1 Line to high-fidelity headphone output power (1W) 6.Headphone Monitoring function, Bluetooth Function, Recording Function ? High-performance microphone pre-amplifier with phantom power(+48V). Built-in mute switching mode power supply. High-performance three colors output level meter. 24-400Hz adjustable dual channels sub output. With MP3, USB input players. Exquisite color crystal buttons channel switch. SMT automated technique for strict control the consistency of the products. ? a??Specification: Frequency Response:20Hz-20KHz, &pm;0.5dB THD+N: -30dB input to mix, mic gain 30dB,<0.007% Mic Input Ein: MIC EIN@Max gain,150 ohms source impedance -128dB Bus Noise: Noise(20Hz-20KHz measurement bandwidth) Audio Mixing:MIX@MAX faders down<-85dB) Crosstalk Between Channels:>96dB Crossover Fader Position:>96dB Aux Send Port:>86dB Output Level Meter:L/R mix output level is 12 segment of LED indicator Power: AC input 100 or 240V 50/60Hz Power Consumption:<30W?? ? Package includes: 1x 4 Channel Mixer 1x Power Adapter 1x Manual